FR2497173A1 - Butee lamifiee de forme courbe, notamment pour rotor d'helicoptere - Google Patents

Butee lamifiee de forme courbe, notamment pour rotor d'helicoptere Download PDF

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Publication number
FR2497173A1
FR2497173A1 FR8027593A FR8027593A FR2497173A1 FR 2497173 A1 FR2497173 A1 FR 2497173A1 FR 8027593 A FR8027593 A FR 8027593A FR 8027593 A FR8027593 A FR 8027593A FR 2497173 A1 FR2497173 A1 FR 2497173A1
Authority
FR
France
Prior art keywords
layers
flexible material
stopper according
laminated
thickness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR8027593A
Other languages
English (en)
French (fr)
Other versions
FR2497173B1 (enrdf_load_stackoverflow
Inventor
Rene Louis Coffy
Louis Coffy Et Jean Jacques Emile Azeau Rene
Jean Jacques Emile Azeau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Airbus Group SAS
Original Assignee
Airbus Group SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Airbus Group SAS filed Critical Airbus Group SAS
Priority to FR8027593A priority Critical patent/FR2497173A1/fr
Priority to US06/331,787 priority patent/US4419398A/en
Priority to EP81402033A priority patent/EP0055660B1/fr
Priority to DE8181402033T priority patent/DE3169763D1/de
Publication of FR2497173A1 publication Critical patent/FR2497173A1/fr
Application granted granted Critical
Publication of FR2497173B1 publication Critical patent/FR2497173B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F16F1/393—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type with spherical or conical sleeves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/35—Rotors having elastomeric joints
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Laminated Bodies (AREA)
  • Springs (AREA)
FR8027593A 1980-12-26 1980-12-26 Butee lamifiee de forme courbe, notamment pour rotor d'helicoptere Granted FR2497173A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8027593A FR2497173A1 (fr) 1980-12-26 1980-12-26 Butee lamifiee de forme courbe, notamment pour rotor d'helicoptere
US06/331,787 US4419398A (en) 1980-12-26 1981-12-17 Laminated stop of curved shape, particularly for the rotors of helicopters
EP81402033A EP0055660B1 (fr) 1980-12-26 1981-12-21 Butée lamifiée de forme courbe, notamment pour rotor d'hélicoptère
DE8181402033T DE3169763D1 (en) 1980-12-26 1981-12-21 Curve-shaped laminated bearing, in particular for a helicopter rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8027593A FR2497173A1 (fr) 1980-12-26 1980-12-26 Butee lamifiee de forme courbe, notamment pour rotor d'helicoptere

Publications (2)

Publication Number Publication Date
FR2497173A1 true FR2497173A1 (fr) 1982-07-02
FR2497173B1 FR2497173B1 (enrdf_load_stackoverflow) 1983-03-11

Family

ID=9249524

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8027593A Granted FR2497173A1 (fr) 1980-12-26 1980-12-26 Butee lamifiee de forme courbe, notamment pour rotor d'helicoptere

Country Status (4)

Country Link
US (1) US4419398A (enrdf_load_stackoverflow)
EP (1) EP0055660B1 (enrdf_load_stackoverflow)
DE (1) DE3169763D1 (enrdf_load_stackoverflow)
FR (1) FR2497173A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2860582A1 (fr) * 2003-10-03 2005-04-08 Eurocopter France Organe elastomerique muni de moyens de controle.
EP2610175A1 (fr) 2011-12-27 2013-07-03 Eurocopter Butée lamifiée, rotor muni d'une telle butée, et aéronef

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4729753A (en) * 1985-11-04 1988-03-08 Bell Helicopter Textron Inc. Constant velocity elastomeric bearing joint
US5601408A (en) * 1996-03-18 1997-02-11 Sikorsky Aircraft Corporation Axisymmetric elastomeric bearing assembly for helicopter rotors
DE19918379A1 (de) * 1999-04-22 2000-10-26 Franz Mitsch Spannbuchse und ihre Verwendung in Windkraftanlagen
EP1048563A3 (en) * 1999-04-30 2001-04-11 Lord Corporation Self-centering bearing for aircraft control surfaces
US7032271B2 (en) * 2004-04-02 2006-04-25 Jung-Hui Lin Noise control device for a steel door
US8511997B2 (en) * 2007-12-19 2013-08-20 Sikorsky Aircraft Corporation Uniform fatigue life spherical elastomeric bearing
US8275585B2 (en) 2008-04-26 2012-09-25 Sikorsky Aircraft Corporation Spherical elastomeric bearing with improved shim thickness
CN102829114A (zh) * 2012-08-28 2012-12-19 中国航空工业集团公司北京航空材料研究院 一种汽车悬架辅助橡胶弹簧
US10214284B2 (en) 2013-09-30 2019-02-26 Sikorsky Aircraft Corporation Pitch bearing
US10233992B2 (en) * 2017-07-31 2019-03-19 Aktiebolaget Skf Elastomeric bearing component with wedge-shaped shims
US10738852B1 (en) * 2019-03-29 2020-08-11 Aktiebolaget Skf Laminated bearing assembly with differing shim thicknesses
CN110081077B (zh) * 2019-04-09 2020-09-22 中国航发北京航空材料研究院 一种高径向稳定弹性轴承

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399945A1 (fr) * 1977-08-11 1979-03-09 Textron Inc Dispositif elastique composite pour moyeu d'helicoptere

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179400A (en) * 1963-06-11 1965-04-20 Lord Mfg Co Torsion spring
DE1901774U (de) 1964-07-25 1964-10-08 Junker S Schulmoebelfabrik E & Stahlrohrstuhl.
DE1901774B2 (de) * 1969-01-15 1972-07-13 Mak Maschinenbau Gmbh, 2300 Kiel Geschichtete winkelblockfeder
US3679197A (en) * 1971-05-27 1972-07-25 Lord Corp Compressive load carrying bearings
USRE30262E (en) 1971-05-27 1980-04-29 Lord Corporation Compressive load carrying bearings
US4084290A (en) * 1977-02-25 1978-04-18 Wasyl Lymar Sliding door and window stop

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399945A1 (fr) * 1977-08-11 1979-03-09 Textron Inc Dispositif elastique composite pour moyeu d'helicoptere

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2860582A1 (fr) * 2003-10-03 2005-04-08 Eurocopter France Organe elastomerique muni de moyens de controle.
US7368158B2 (en) 2003-10-03 2008-05-06 Eurocopter Elastomeric member provided with monitoring means
EP2610175A1 (fr) 2011-12-27 2013-07-03 Eurocopter Butée lamifiée, rotor muni d'une telle butée, et aéronef
US9382803B2 (en) 2011-12-27 2016-07-05 Airbus Helicopters Laminated abutment, a rotor provided with such an abutment, and an aircraft

Also Published As

Publication number Publication date
DE3169763D1 (en) 1985-05-09
FR2497173B1 (enrdf_load_stackoverflow) 1983-03-11
EP0055660B1 (fr) 1985-04-03
EP0055660A1 (fr) 1982-07-07
US4419398A (en) 1983-12-06

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ST Notification of lapse